Biglietto, M. (2026) “CO-67 | CONGENITAL DYSFIBRINOGENEMIA: BLEEDING PHENOTYPE, THROMBOTIC COMPLICATIONS, AND LONG-TERM MANAGEMENT IN A MULTICENTER COHORT: M. Biglietto1|2, M. Presti1, R.C. Santoro3, I. Nichele4, M. Napolitano5, S. Pasca6, A. Borchiellini7, B. Pollio8, E. Zanon9, G. Barillari10, A. Poz10, S. Sorella1, S. Ligia1, R. Mormile1, E. Baldacci1, G. Castaman11, F. Peyvandi12|13, C. Santoro1 | 1Hematology, Department of Translational and Precision Medicine, Sapienza University of Rome, Italy; 2Department of Molecular Biology, Sapienza University of Rome, Italy; 3Hemostasis and Thrombosis Unit, Azienda Ospedaliera Pugliese-Ciaccio, Catanzaro, Italy; 4Hematology Unit, Azienda ULSS 8 Berica - San Bortolo Hospital, Vicenza, Italy; 5Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, University of Palermo, Italy; 6Coagulation Diseases Center, Transfusion Medicine Department - Azienda Sanitaria Universitaria Integrata del Trentino, Trento, Italy; 7Centro di Riferimento Regionale Malattie Emorragiche e Trombotiche dell’Adulto, Divisione di Ematologia, Università Città della Salute e della Scienza di Torino, Italy; 8SIMT Immunohematology and Transfusion Medicine Service, Diagnostic Department, A.O. Città della Salute e della Scienza, Torino, Italy; 9Department of Medicine, Haemophilia Centre, University Hospital of Padua, Italy; 10Center for Hemorrhagic and Thrombotic Diseases, General and University Hospital S. Maria della Misericordia, Udine, Italy; 11Centre for Bleeding Disorders and Coagulation, Careggi University Hospital, Firenze, Italy; 12IRCCS Fondazione Ca’ Granda Ospedale Maggiore Policlinico, Angelo Bianchi Bonomi Hemophilia and Thrombosis Center, Milano, Italy; 13Università degli Studi di Milano, Department of Pathophysiology and Transplantation, Milano, Italy”, Bleeding, Thrombosis and Vascular Biology, 5(s2). doi:10.4081/btvb.2026.677.